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fs: return -EOPNOTSUPP if clone is not supported
-EBADF is a rather confusing error if an operations is not supported, and nfsd gets rather upset about it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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1 changed files with 4 additions and 2 deletions
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@ -1533,10 +1533,12 @@ int vfs_clone_file_range(struct file *file_in, loff_t pos_in,
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if (!(file_in->f_mode & FMODE_READ) ||
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!(file_out->f_mode & FMODE_WRITE) ||
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(file_out->f_flags & O_APPEND) ||
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!file_in->f_op->clone_file_range)
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(file_out->f_flags & O_APPEND))
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return -EBADF;
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if (!file_in->f_op->clone_file_range)
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return -EOPNOTSUPP;
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ret = clone_verify_area(file_in, pos_in, len, false);
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if (ret)
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return ret;
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